{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{2}{c}}
\hline\hline
            &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}\\
            &\multicolumn{1}{c}{c\_fraction}&\multicolumn{1}{c}{c\_fraction}\\
\hline
c\_int\_n\_div\_usio&     0.00166         &     -0.0182         \\
            &   (0.00205)         &    (0.0119)         \\
[1em]
\_cons      &   -1.82e-09\sym{***}&    -0.00642\sym{***}\\
            &  (7.12e-13)         & (0.0000294)         \\
\hline
\(N\)       &      133525         &       29212         \\
\(R^{2}\)   &       0.537         &       0.633         \\
F           &       0.658         &       2.342         \\
\hline\hline
\multicolumn{3}{l}{\footnotesize Standard errors in parentheses}\\
\multicolumn{3}{l}{\footnotesize \sym{*} \(p<0.05\), \sym{**} \(p<0.01\), \sym{***} \(p<0.001\)}\\
\end{tabular}
}
